Watermark PDF
Diagonal text watermark across every page.
Drop files here
or click to browse - files stay on your device
Max file size: 100 MB
About this tool
Add a text watermark to every page of a PDF. Control text, opacity, rotation, color and position.
Features
- Custom text, font size and color
- Diagonal or straight placement
- Per-page or all-page
- 100% browser
How to use it
- Upload a PDF.
- Configure your watermark.
- Download the watermarked PDF.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Can I add an image watermark?
Currently text only - image watermark is on the roadmap.